Conifers are scantily represented by Callitris and Podocarpus, which is common to all three sub-regions; and Cycads by the endemic Encephalartos and Stangeria.
Aquatic plants, especially water-lilies, are abundant and varied; the soil-dry Callitris and Widdringtonia become scarce.
Among its Gymnosperms are numerous Cupressineae of African affinity belonging to the genera Callitris and Widdringtonia, and a juniper close to one indigenous in Greece.
That the domestic use, however, of the fragrant wood 660v (the Arbor vitae or Callitris quadrivalvis of botanists, the source of the resin sandarach) was known in the Homeric age, is shown by the case of Calypso (Od.
Dr John Lindley considered that some of the cedartrees sent by Hiram, king of Tyre, to Jerusalem might have been procured from Mount Atlas, and have been identical with Callitris quadrivalvis, or arar-tree, the wood of which is hard and durable, and was much in request in former times for the building of temples.
Cedrus atlantica, a variety of Abies Pinsapo, Juniperus thurifera, Callitris quadrivalvis, occur in the north-west region, which may be regarded as the southern limit of the Mediterranean region.